<template>
  <div class="hm-main">
    我是hm-main
    <HMButton />
  </div>
</template>

<script>
export default {
  name: 'HmMain' // 组件名，名字和文件名一致
}
</script>

<style>
.hm-main {
  background-color: orange;
  color: white;
  flex: 1;
}
</style>